diff --git a/degesch.c b/degesch.c
index d5ae36a..bfd3802 100644
--- a/degesch.c
+++ b/degesch.c
@@ -3428,6 +3428,9 @@ irc_disconnect (struct server *s)
 	s->socket_event.closed = true;
 	poller_fd_reset (&s->socket_event);
 
+	str_reset (&s->read_buffer);
+	str_reset (&s->write_buffer);
+
 	// All of our timers have lost their meaning now
 	irc_cancel_timers (s);